My site has been banned

What can I do
Is there any chance that search engine will index it again?

 

you should do these steps

http://www.google.com/support/webmasters/bin/answer.py?answer=35843

 

Sites are usually banned for violating google's rules, you should review google's rules if you are not
familiar with it. Then try to find out why google banned your site, fix the problem, then request
reconsideration of your site through the link provided by mascix.

 

thanks for your advices
I will check it out

 

ban by google ?